snow_intensive=800;
snow_speed=20000;
snow_src=new Array('/blocks/snowjs/images/snow1.gif','/blocks/snowjs/images/snow2.gif','/blocks/snowjs/images/snow3.gif','/blocks/snowjs/images/snow4.gif','/blocks/snowjs/images/snow5.gif','/blocks/snowjs/images/snow6.gif','/blocks/snowjs/images/snow7.gif');
$(document).ready(snow_start);
function snow_start() {
    snow_id=1;
    snow_y=$("#body").height()-30;
    setInterval(function() {
        snow_x=Math.random()*document.body.offsetWidth-100;
        snow_img=(snow_src instanceof Array ? snow_src[Math.floor(Math.random()*snow_src.length)] : snow_src);
        snow_elem='<img class="png" id="snow'+snow_id+'" style="position:absolute; left:'+snow_x+'px; top:0;z-index:10000" src="'+snow_img+'"/>';
        $("#body").append(snow_elem);
        snow_move(snow_id);
        snow_id++;
    },snow_intensive);
}
function snow_move(id) {
    $('#snow'+id).animate({
        top:snow_y,
        left:"+="+Math.random()*100
        },snow_speed,function() {
        $(this).empty().remove();
    });
}